Activity On Node (AON)


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One Response to “Activity On Node (AON)”

  1. okubo francis on April 1st, 2010 3:42 pm

    Background: The assignment is intended to bring out the benefits and limitations of different approaches to project planning and control by relating these to the circumstances in the cases outlined. It is also intended to allow students to demonstrate their learning and competence in respect of the management of resources generally, but in particular elements of time, finance and human resource.
    Case 1: Bojan Ltd is an organisation which provides rental vehicles to commercial businesses. These vehicles include: small courier vans, refrigerated vans, and lorries. The lorries range from short wheel bases through to long wheel basis.. As part of your job as the Bojan Ltd special projects manager, you have produced a list of activities that need to be addressed to supply a range of executive vehicles . The details are shown in the table provided. Table 1

    Activity (Tasks)
    Duration (Days) Preceded By
    A 1 –
    B 1 A
    C 4 B
    D 5 C
    E 8 D
    F 6 D
    G 4 D
    H 10 E, F, G
    I 10 H
    J 8 H
    K 6 I, J
    L 8 K
    M 4 K
    N 10 L, M
    O 12 N
    P 10 N
    Q 8 N
    R 1 O, P, Q

    Task 1 (40% marks)
    1) Draw the network diagram (use activity on the node). (8 marks)
    2) Explain how you determined the timing of activities and the total float. (6 marks)
    3) Explain how you determined the project duration and the critical path. (6 marks)
    4) If the project starts on the 3 May 2010 , what is the earliest date it can be completed using a 5 day working week? Assume no other holidays (explain how you calculated the figure). (4 marks)
    5) If the following happened what would be the effect on the duration of the whole project? Explain the reasons. (6 marks)
    a) A 1 day delay during activity P.
    b) Activity Q is delayed 1 day.
    c) A 2 day delay during activity M .
    6) Explain and discuss the purpose of Network diagrams. (10 marks)

    Essential methodology (activity on the node):
    • All the timings (i.e. earliest start, earliest finish, latest start, latest finish, total float, duration and activity) must be included within each node of your diagram. All timings must be in days – not dates
    • To complete your network diagram assume that:
    If task A has a duration of 4 days (task A, earliest finish would be day 4), therefore, task B earliest start time will be day 4.
    • This essential methodology is detailed in the text: Project Management, Field and Keller (2007. p. 197,p.198 & p. 391),
    Table 1

    Activity (Tasks)
    Duration (Days) Preceded By
    A 1 –
    B 1 A
    C 4 B
    D 5 C
    E 8 D
    F 6 D
    G 4 D
    H 10 E, F, G
    I 10 H
    J 8 H
    K 6 I, J
    L 8 K
    M 4 K
    N 10 L, M
    O 12 N
    P 10 N
    Q 8 N
    R 1 O, P, Q

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